/Engine/Source/Runtime/Foliage/Public/InstancedFoliage.h
FFoliageInstance- editor info an individual instance
struct FFoliageInstance : public [FFoliageInstancePlacementInfo](API\Runtime\Foliage\FFoliageInstancePlacementInfo)
UActorComponent...
BaseComponent
FFoliageInstanc...
BaseId
ID of base this instance was painted on.
FGuid
ProceduralGuid